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我需要创建一个按钮来呼叫一个联系人号码,该号码是默认号码,我将在按钮单击事件中提及该号码。
当我单击按钮时,需要使用 MonoTouch 在 iPhone 中拨打该号码。
UIApplication.SharedApplication.OpenUrl(NSUrl.FromString("tel://1234567890"));